Home / 320,532.19-442,304.75-177,289.16

Finding the Fourth Proportional to 320,532.19, 442,304.75 and 177,289.16

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Solution

The fourth proportional to 320,532.19, 442,304.75 and 177,289.16 is: 244,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,532.19 : 442,304.75 = 177,289.16 : x
  2. Step 2: Convert to fraction form
    320,532.19/442,304.75 = 177,289.16/x
  3. Step 3: Cross multiply
    320,532.19x = 442,304.75 × 177,289.16
  4. Step 4: Simplify right side
    320,532.19x = 78,415,835,823.21
  5. Step 5: Solve for x
    x = 78,415,835,823.21/320,532.19
  6. Step 6: Final answer
    x = 244,642.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.